It's Friday night in the City by the Bay, you and your boys are out from Concord, rolling deep in your old man's Escalade through North Beach. But what club do you hit up first, where all them bitches at? With a new service debuting today, you'll know.

It's always a bummer when you decide to try something new, only to discover that it's not your scene. Crowdmug for iOS helps you avoid these situations by harnessing the most effective crowd motivation tool of our time: money.